SOURCE

const {
    useObserver,
    useLocalStore
} = mobxReactLite;


function Example() {
  // 声明一个新的叫做 “count” 的 state 变量 
  const [count, setCount] = React.useState(0);
  const person = useLocalStore(() => ({ name: 'John' }))
  const asd = []
  setInterval(() => {
      asd.push(1)
  },1000)
  return useObserver(() => (
    <div>
      <p>{person.name}</p>
      <button onClick={() => {
        person.name = '123'
        console.log(asd)
      }}>
        Click me
      </button>
    </div>
  ));
}

ReactDOM.render(
    React.createElement(Example),
    document.querySelector('#like_button_container')
);

<h2>一分钟用上 React</h2>
<p>这个页面展示了React没有使用构建工具。</p>
<p>React通过javascript加载</p>
<!-- We will put our React component inside this div. -->
<div id="like_button_container"></div>